#pragma once
#if PLATFORM(IOS_FAMILY)
#ifndef NSView
#define NSView WAKView
#endif
#endif
#include "IntRect.h"
#include "PlatformScreen.h"
#include <wtf/Forward.h>
#include <wtf/RefCounted.h>
#include <wtf/TypeCasts.h>
#include <wtf/WeakPtr.h>
#if PLATFORM(COCOA)
#include <wtf/RetainPtr.h>
#endif
#if PLATFORM(COCOA)
OBJC_CLASS NSView;
OBJC_CLASS NSWindow;
typedef NSView *PlatformWidget;
#elif PLATFORM(WIN)
typedef struct HWND__* HWND;
typedef HWND PlatformWidget;
#else
typedef void* PlatformWidget;
#endif
typedef PlatformWidget PlatformPageClient;
namespace WebCore {
class Cursor;
class Event;
class EventRegionContext;
class FontCascade;
class FrameView;
class GraphicsContext;
class PlatformMouseEvent;
class ScrollView;
enum WidgetNotification { WillPaintFlattened, DidPaintFlattened };
class Widget : public RefCounted<Widget>, public CanMakeWeakPtr<Widget> {
public:
WEBCORE_EXPORT explicit Widget(PlatformWidget = nullptr);
WEBCORE_EXPORT virtual ~Widget();
WEBCORE_EXPORT PlatformWidget platformWidget() const;
WEBCORE_EXPORT void setPlatformWidget(PlatformWidget);
int x() const { return frameRect().x(); }
int y() const { return frameRect().y(); }
int width() const { return frameRect().width(); }
int height() const { return frameRect().height(); }
IntSize size() const { return frameRect().size(); }
IntPoint location() const { return frameRect().location(); }
WEBCORE_EXPORT virtual void setFrameRect(const IntRect&);
WEBCORE_EXPORT IntRect frameRect() const;
IntRect boundsRect() const { return IntRect(0, 0, width(), height()); }
void resize(int w, int h) { setFrameRect(IntRect(x(), y(), w, h)); }
void resize(const IntSize& s) { setFrameRect(IntRect(location(), s)); }
void move(int x, int y) { setFrameRect(IntRect(x, y, width(), height())); }
void move(const IntPoint& p) { setFrameRect(IntRect(p, size())); }
enum class SecurityOriginPaintPolicy { AnyOrigin, AccessibleOriginOnly };
WEBCORE_EXPORT virtual void paint(GraphicsContext&, const IntRect&, SecurityOriginPaintPolicy = SecurityOriginPaintPolicy::AnyOrigin, EventRegionContext* = nullptr);
void invalidate() { invalidateRect(boundsRect()); }
virtual void invalidateRect(const IntRect&) = 0;
WEBCORE_EXPORT virtual void setFocus(bool);
void setCursor(const Cursor&);
WEBCORE_EXPORT virtual void show();
WEBCORE_EXPORT virtual void hide();
bool isSelfVisible() const { return m_selfVisible; } bool isParentVisible() const { return m_parentVisible; } bool isVisible() const { return m_selfVisible && m_parentVisible; } virtual void setParentVisible(bool visible) { m_parentVisible = visible; }
void setSelfVisible(bool v) { m_selfVisible = v; }
void setIsSelected(bool);
virtual bool isFrameView() const { return false; }
virtual bool isPluginView() const { return false; }
virtual bool isPluginViewBase() const { return false; }
virtual bool isScrollbar() const { return false; }
virtual bool isScrollView() const { return false; }
WEBCORE_EXPORT void removeFromParent();
WEBCORE_EXPORT virtual void setParent(ScrollView* view);
WEBCORE_EXPORT ScrollView* parent() const;
FrameView* root() const;
virtual void handleEvent(Event&) { }
virtual void notifyWidget(WidgetNotification) { }
WEBCORE_EXPORT IntRect convertToRootView(const IntRect&) const;
IntRect convertFromRootView(const IntRect&) const;
FloatRect convertToRootView(const FloatRect&) const;
FloatRect convertFromRootView(const FloatRect&) const;
IntPoint convertToRootView(const IntPoint&) const;
IntPoint convertFromRootView(const IntPoint&) const;
FloatPoint convertToRootView(const FloatPoint&) const;
FloatPoint convertFromRootView(const FloatPoint&) const;
WEBCORE_EXPORT IntRect convertToContainingWindow(const IntRect&) const;
IntRect convertFromContainingWindow(const IntRect&) const;
WEBCORE_EXPORT IntPoint convertToContainingWindow(const IntPoint&) const;
IntPoint convertFromContainingWindow(const IntPoint&) const;
virtual void frameRectsChanged() { }
virtual void clipRectChanged() { }
virtual bool transformsAffectFrameRect() { return true; }
#if PLATFORM(COCOA)
NSView* getOuterView() const;
void removeFromSuperview();
#endif
#if PLATFORM(IOS_FAMILY)
void addToSuperview(NSView*);
#endif
WEBCORE_EXPORT virtual IntRect convertToContainingView(const IntRect&) const;
WEBCORE_EXPORT virtual IntRect convertFromContainingView(const IntRect&) const;
WEBCORE_EXPORT virtual FloatRect convertToContainingView(const FloatRect&) const;
WEBCORE_EXPORT virtual FloatRect convertFromContainingView(const FloatRect&) const;
WEBCORE_EXPORT virtual IntPoint convertToContainingView(const IntPoint&) const;
WEBCORE_EXPORT virtual IntPoint convertFromContainingView(const IntPoint&) const;
WEBCORE_EXPORT virtual FloatPoint convertToContainingView(const FloatPoint&) const;
WEBCORE_EXPORT virtual FloatPoint convertFromContainingView(const FloatPoint&) const;
private:
void init(PlatformWidget);
static IntRect convertFromRootToContainingWindow(const Widget* rootWidget, const IntRect&);
static IntRect convertFromContainingWindowToRoot(const Widget* rootWidget, const IntRect&);
static IntPoint convertFromRootToContainingWindow(const Widget* rootWidget, const IntPoint&);
static IntPoint convertFromContainingWindowToRoot(const Widget* rootWidget, const IntPoint&);
private:
bool m_selfVisible { false };
bool m_parentVisible { false };
WeakPtr<ScrollView> m_parent;
#if !PLATFORM(COCOA)
PlatformWidget m_widget;
#else
RetainPtr<NSView> m_widget;
#endif
IntRect m_frame; };
#if !PLATFORM(COCOA)
inline PlatformWidget Widget::platformWidget() const
{
return m_widget;
}
inline void Widget::setPlatformWidget(PlatformWidget widget)
{
m_widget = widget;
}
#endif
}
#define SPECIALIZE_TYPE_TRAITS_WIDGET(ToValueTypeName, predicate) \
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::ToValueTypeName) \
static bool isType(const WebCore::Widget& widget) { return widget.predicate; } \
SPECIALIZE_TYPE_TRAITS_END()